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HOME > Javascript Tips & Tricks : การใช้งาน JavaScript ร่วมกับ Form > JavaScript Check Password / Confirm Password

JavaScript Check Password / Confirm Password

JavaScript Check Password / Confirm Password ตัวอย่างนี้จะเป็นการใช้ JavaScript ในการตรวจสอบการยืนยันการสมัครสมาชิก โดยตรวจสอบยินยัน รหัสผ่าน ทั้ง 2 ช่อง ว่าตรงกันหรือไม่

Sample1 การใช้ JavaScript ในการตรวจสอบยืนยัน Confirm รหัสผ่าน Password

<html>
<html>
<head>
<title>ThaiCreate.Com Tutorials</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body>
<script language="javascript">
function fncSubmit()
{

	if(document.form1.txtUsername.value == "")
	{
		alert('Please input Username');
		document.form1.txtUsername.focus();
		return false;
	}	

	if(document.form1.txtPassword.value == "")
	{
		alert('Please input Password');
		document.form1.txtPassword.focus();		
		return false;
	}	

	if(document.form1.txtConPassword.value == "")
	{
		alert('Please input Confirm Password');
		document.form1.txtConPassword.focus();		
		return false;
	}	

	if(document.form1.txtPassword.value != document.form1.txtConPassword.value)
	{
		alert('Confirm Password Not Match');
		document.form1.txtConPassword.focus();		
		return false;
	}	

	if(document.form1.txtName.value == "")
	{
		alert('Please input Name');
		document.form1.txtName.focus();		
		return false;
	}	

	document.form1.submit();
}
</script>
<form name="form1" method="post" action="save_register.php" OnSubmit="return fncSubmit();">
  Register Form <br>
  <table width="400" border="1" style="width: 400px">
    <tbody>
      <tr>
        <td width="125"> &nbsp;Username</td>
        <td width="180">
          <input name="txtUsername" type="text" id="txtUsername" size="20">
        </td>
      </tr>
      <tr>
        <td> &nbsp;Password</td>
        <td><input name="txtPassword" type="password" id="txtPassword">
        </td>
      </tr>
      <tr>
        <td> &nbsp;Confirm Password</td>
        <td><input name="txtConPassword" type="password" id="txtConPassword">
        </td>
      </tr>
      <tr>
        <td>&nbsp;Name</td>
        <td><input name="txtName" type="text" id="txtName" size="35"></td>
      </tr>
      <tr>
        <td> &nbsp;Status</td>
        <td>
          <select name="ddlStatus" id="ddlStatus">
            <option value="ADMIN">ADMIN</option>
            <option value="USER">USER</option>
          </select>
</td>
      </tr>
    </tbody>
  </table>
  <br>
  <input type="submit" name="Submit" value="Save">
</form>
</body>
</html>

ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท

ลองใช้ค้นหาข้อมูล


	By :	ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
	Score Rating :
	Create/Update Date :	2011-10-12 09:47:41 / 2011-10-12 09:53:30
	Download :	No files

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